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Rev.1.10 Jul 01, 2005 page 231 of 318
REJ09B0124-0110
M16C/6N Group (M16C/6NK, M16C/6NM) 19. Programmable I/O Ports
Under development
This document is under development and its contents are subject to change.
Data bus
Direction register
Pull-up selection
Port latch
Analog input
Input to respective peripheral functions
(NOTE 1)
D/A output enabled
Analog output
Direction register
Data bus
Port latch
Pull-up selection
Input to respective peripheral functions
D/A output enabled
(NOTE 1)
"1"
Output
Direction register
Data bus
Port latch
Analog input
Pull-up selection
(NOTE 1)
Direction register
Data bus
Port latch
Analog input
Pull-up selection
Input to respective peripheral functions
(NOTE 1)
"1"
Output
(inside dotted-line
included)
(inside dotted-line
not included)
NOTE:
1. Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
P10_0 to P10_3
P10_4 to P10_7
P9_3, P9_4
P9_6
P9_5
Figure19.4 I/O Ports (4)